Trigonometry Intro Quiz

Trig functions are:

• Linear functions

• Periodic functions

• Exponential functions

• Constant functions

What is the measure of Pi in degrees?

• 90 degrees

• 180 degrees

• 270 degrees

• 360 degrees

What is the Pythagorean identity?

• cos^2(theta) + sin^2(theta) = 1

• cos(theta) + sin(theta) = 1

• cos^2(theta) - sin^2(theta) = 1

• cos(theta) - sin(theta) = 1

What is the range of cosine and sine functions?

Which of the following is an even function?

• Sin

• Tan

• Cos

• Cot

What is the period of a periodic function f(x) if f(x+a) = f(x)?

• a

• 2a

• a/2

• -a

Which of the following is the correct cofunction identity for cos(t)?

• cos(t) = sin(π/2 - t)

• cos(t) = cos(π/2 - t)

• cos(t) = tan(π/2 - t)

• cos(t) = sec(π/2 - t)

What is the value of sin(π/6)?

• 1/2

• √3/2

• -1/2

• -√3/2

What is the value of tan(π/4)?

• 1

• 0

• -1

• ∞

Which of the following is the correct cofunction identity for sec(t)?

• sec(t) = csc(π/2 - t)

• sec(t) = sec(π/2 - t)

• sec(t) = tan(π/2 - t)

• sec(t) = cos(π/2 - t)